{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["adverse effect"], "input": "Marked sinus tachycardia resulting from the synergistic effects of marijuana and nortriptyline ."}
{"adverse effect": [{"subject": "sinus tachycardia", "object": "nortriptyline"}]}